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Merge branch 'core/debug' into core/core

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This commit is contained in:
Ingo Molnar 2008-12-25 13:53:11 +01:00
commit b594deb0cc
2 changed files with 15 additions and 24 deletions
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3
include/asm-generic/bug.h
View file

@ -33,12 +33,11 @@ struct bug_entry {
#ifndef __WARN
#ifndef __ASSEMBLY__
extern void warn_on_slowpath(const char *file, const int line);
extern void warn_slowpath(const char *file, const int line,
const char *fmt, ...) __attribute__((format(printf, 3, 4)));
#define WANT_WARN_ON_SLOWPATH
#endif
#define __WARN() warn_on_slowpath(__FILE__, __LINE__)
#define __WARN() warn_slowpath(__FILE__, __LINE__, NULL)
#define __WARN_printf(arg...) warn_slowpath(__FILE__, __LINE__, arg)
#else
#define __WARN_printf(arg...) do { printk(arg); __WARN(); } while (0)

26
kernel/panic.c
View file

@ -21,6 +21,7 @@
#include <linux/debug_locks.h>
#include <linux/random.h>
#include <linux/kallsyms.h>
#include <linux/dmi.h>
int panic_on_oops;
static unsigned long tainted_mask;
@ -321,36 +322,27 @@ void oops_exit(void)
}
#ifdef WANT_WARN_ON_SLOWPATH
void warn_on_slowpath(const char *file, int line)
{
char function[KSYM_SYMBOL_LEN];
unsigned long caller = (unsigned long) __builtin_return_address(0);
sprint_symbol(function, caller);
printk(KERN_WARNING "------------[ cut here ]------------\n");
printk(KERN_WARNING "WARNING: at %s:%d %s()\n", file,
line, function);
print_modules();
dump_stack();
print_oops_end_marker();
add_taint(TAINT_WARN);
}
EXPORT_SYMBOL(warn_on_slowpath);
void warn_slowpath(const char *file, int line, const char *fmt, ...)
{
va_list args;
char function[KSYM_SYMBOL_LEN];
unsigned long caller = (unsigned long)__builtin_return_address(0);
const char *board;
sprint_symbol(function, caller);
printk(KERN_WARNING "------------[ cut here ]------------\n");
printk(KERN_WARNING "WARNING: at %s:%d %s()\n", file,
line, function);
board = dmi_get_system_info(DMI_PRODUCT_NAME);
if (board)
printk(KERN_WARNING "Hardware name: %s\n", board);
if (fmt) {
va_start(args, fmt);
vprintk(fmt, args);
va_end(args);
}
print_modules();
dump_stack();